This image of the Slovenia flag is in the Public Domain and can be used freely. If you use it on a webpage, a link to http://ourworldflags.com/Slovenia would be very much appreciated.

The flag of Slovenia

The national flag of Slovenia features three equal horizontal bands of
white (top), blue, and red, with the Slovenian coat of arms located in
the upper hoist side of the flag centered in the white and blue bands.

The flag of Slovenia consists of three equal horizontal bands of white
(top), blue, and red, with the Slovenian seal (a shield with the image
of Triglav, Slovenia's highest peak, in white against a blue
background at the center; beneath it are two wavy blue lines depicting